Bromine → 2-Bromo-1-(4'-bromo-1,1'-biphenyl-4-yl)ethanone

Participants

Reaction Steps

To a solution of 1-[4-(4-bromophenyl)phenyl]ethanone (5 g, 18.17 mmol) in CH2Cl2 (40 mL) is added bromine (983 μL, 19 mmol). The resulting mixture is stirred for 48 hours at room temperature. The mixture is diluted with dichloromethane, washed with saturated aqueous sodium bicarbonate, water, brine, dried over anhydrous sodium sulfate and concentrated. The crude solid is triturated with ether to give 2-bromo-1-[4-(4-bromophenyl)phenyl]ethanone (5.7 g, 88.6%) as a white solid.

Provenance & Evidence